Dai-ichi Kogyo Seiyaku Co., Ltd.

Nippon Shokubai Co., Ltd.

Other

Toray Industries, Inc.

Hydro-quebec

Kai-ichi Kogyo Seiyaku Co., Ltd.

Manabu Kikuta

Michiyuki Kono

Hiroshi Hotta

Hideyuki Sumi

Fumihide Tamura

Taketo Toba

Masahito Nishiura

Shigetaka Takamiya

Naoki Kitazawa

Karim Zaghib

Abdelbast Guerfi

Martin Dontigny

Satoshi Murakami

Koichiro Saeki

Eriko Ishiko

Yutaka Nakayama

Toshiaki Kuriyama

Kazuo Takei

Ritsuo Kitada

Toshiaki Doyama

Nario Uejyukkoku

Osamu Wada

Masashi Yukitake

Kazuhiko Murata

Naohiro Takamura

Masashi Takeda

Kanji Tanaka

Masato Kameda

Akiyoshi Hatakeyama

Takao Nishihata

Takao Yokohashi

Hiroshi Tanaka

Masaki Tezuka

Hirofumi Uchimura

Teruaki Sugahara

Tomomi Ueda

Shoichi Wakatake

An alkylene oxide-modified polyfunctional (meth)acrylate is provided wherein the problems according to high crystallinity or high viscosity are improved, and the photosensitivity, etc. is enhanced. The compound has a structure represented by the following formula (I), provided that in the formula (I), R represents a substituent represented by the formula (II); AO represents one member or two or more members selected from alkylene oxide units represented by &#x2014;CHCHO&#x2014;, &#x2014;CHCH(CH)O&#x2014;, &#x2014;CHCHCHCHO&#x2014; and &#x2014;CHCH(CH)O&#x2014;; l indicating the average polymerization degree of the added alkylene oxide is 0&#x3c;l&#x2264;5; the average value of m is more than 0 and 6 or less; each of the average values of n and o is from 0 to 6, the total value of m, n and o is 6, and in the formula (II), Rrepresents a hydrogen atom or a methyl group. 

Alkylene oxide-modified dipentaerythritol (meth)acrylate and reactive composition containing same

A resin composition for laser processing which is able to enhance laser processability with maintaining a resist performance of a resin after ultraviolet laser processing, and which can be, for example, used as a resist in forming a circuit of a printed wiring board is provided. Disclosed is a resin composition for laser processing containing a resin and an ultraviolet absorber, wherein the resin is a thermoplastic resin having a carboxyl group and having a softening temperature of from 70 to 140&#xb0; C., and a content of the ultraviolet absorber is from 1 to 30 parts by mass based on 100 parts by mass of the thermoplastic resin.

Resin composition for laser processing

The invention relates to a method for manufacturing an electrochemical cell comprising an anode and a cathode separated by a separator and a gel electrolyte. The method comprises the steps of assembling the electrodes and the separator, and injecting a liquid electrolyte composition between the electrodes, the liquid electrolyte composition comprising a polymer, an aprotic liquid solvent and a lithium salt, wherein the polymer in the liquid electrolyte composition has functional groups capable of polymerizing via cationic polymerization, and the cell is submitted to an electrochemical cycling comprising a charging step and a discharging step.

Method for preparing an electrochemical cell having a gel electrolyte

Provided is an ionic liquid, represented by the formula KA, having a very low content of impurities, especially a low content of halogen ions and/or a low content of alkali metal, wherein Kis a quaternary ammonium ion, for example an imidazolium ion. Also provided is a quaternarization process for making the ionic liquid in reacted with an acid ester such as a sulfate or phosphate.

Superhigh purity ionic liquid

To efficiently dry it, a nonionic alkylene oxide-type water-soluble resin is put into a container, then the container is degassed to a prescribed vacuum degree which is maintained while a dry gas having a dew point not higher than prescribed is introduced into the container at a rate not lower than prescribed. Minor volatiles are efficiently removed from the resin in an evaporation tank having a stirring blade. For protecting the dried resin from water, a dry gas is introduced into and air is purged from an empty packaging container whereafter the resin is charged into the container is sealed. By controlling solvent content and visocity of the resin and loading it into a temperature-controlled transportation container and/or unloading it out of the transportation container by the use of a pump, good subsquent processability of the resin and prevention of deterioration thereof are ensured.

Method for drying nonionic alkylene oxide-type water-soluble resin, method for packaging it, and method for transporting it

A precursor composition capable to form a solid-state electrolyte having good ion conductivity and high heat-resistance, by simple curing procedure, comprising; (A) a polymerizable ion pair compound represented by formula I, (B) a cross-linker having two or more unsaturated groups co-polymerizable with the polymerizable ion pair compound (A), and (C) non-polymerizable ion pair compound. Each of R1, R2, R3, R4, R5 and R6 represents hydrogen atom, alkyl or aryl group having 1-12 carbon atoms; and each of R7 and R8 represents alkyl or aryl group having 1-12 carbon atoms. X designates either of halogen atom, AlCl, PF, BF, bis (oxalato) borate anion, RSO, (NC)N, (RY)N, (RY)C, and (RY)CQ, where Rdesignates perfluoro alkyl or aryl group having 1-8 carbon atoms; each Rdesignates fluorine atom, perfluoro alkyl or aryl group having 1-8 carbon atoms; Y designates &#x2014;SO&#x2014;or &#x2014;PO&#x2014;R; and Q designates &#x2014;H or &#x2014;CO&#x2014;R 

Ion-polymer gel electrolyte and its precursor composition

The present invention provides a production process, in which, when an ethylene oxide copolymer is obtained, conditions for obtaining this copolymer having a desirable molecular weight with ease and good reproducibility are provided. The production process for an ethylene oxide copolymer, according to the present invention, comprises the step of carrying out polymerization of a monomer mixture under stirring in a solvent, thereby obtaining the ethylene oxide copolymer, wherein the monomer mixture includes ethylene oxide and a substituted oxirane compound of a structural formula (1) as essential raw materials; with the production process being characterized in that the stirring is carried out by a stirring power of not less than 0.6 kW/m.

Production process for ethylene oxide copolymer

The present invention provides a novel production process for an ethylene oxide resin, in which, when the ethylene oxide resin is obtained, it is arranged that the resin should contain no antistatic agent, and further its water content is also easily controlled in not more than a definite amount, and the thermal damage of the above resin is prevented, and besides, the reduction of the cost can also be actualized. The production process for an ethylene oxide resin, according to the present invention, comprises the step of carrying out devolatilization of a solvent from a polymerization reaction liquid containing the solvent, thereby obtaining the ethylene oxide resin; with the production process being characterized by arranging that: after the devolatilization, the resin should have a solvent concentration of 0.01 to 30 weight % and a water content of not more than 200 ppm, and the resin should contain no antistatic agent.

Production process for ethylene oxide resin

A novel formamide group-containing copolymer, or a salt thereof, which can be used as a high-molecular weight amino reagent, a starting material for functional high-molecular weight compounds, a starting material for adhesives, a polymer compatibilizer, a resin modifier, etc., and can undergo hydrolysis to give a copolymer containing a primary amino group, and a novel copolymer containing a primary amino group obtained by hydrolysis.

Formamide group-containing copolymer, process for producing the same,

Thermoplastic resin compositions having the following component A-1 or A-2, component B and component C:

Compositions containing allylformamide copolymers

A linear random N-substituted acrylamide copolymer comprising 65 to 99% by mole of ethylene units, 1 to 15% by mole of acrylate units and 1 to 35% by mole of acrylamide units, the copolymer having a weight average molecular weight of 1000 to 50000, and an aqueous composition, a resin film, a laminate, recording paper and a foamed article comprising the N-substituted acrylamide copolymer, respectively. The N-substituted acrylamide copolymer is excellent in antistatic ability for thermoplastic resins and does not lower physical properties such as transparency and elongation of films and articles which are formed from a thermoplastic resin. Moreover, the N-substituted acrylamide copolymer is excellent in anti-blocking ability so that the copolymer can be suitably used for various uses.

N-substituted acrylamide copolymer

Growing community of inventors

Kyotanabe, Japan

Manabu Kikuta